1311704 has 16 divisors (see below), whose sum is σ = 2482920. Its totient is φ = 649600.

The previous prime is 1311701. The next prime is 1311721. The reversal of 1311704 is 4071131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179 + ... + 1629.

2^1311704 is an apocalyptic number.

It is an amenable number.

1311704 is a deficient number, since it is larger than the sum of its proper divisors (1171216).

1311704 is a wasteful number, since it uses less digits than its factorization.

1311704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1311704 is about 1145.2964681688. The cubic root of 1311704 is about 109.4658400704.

Adding to 1311704 its reverse (4071131), we get a palindrome (5382835).

The spelling of 1311704 in words is "one million, three hundred eleven thousand, seven hundred four".